package
{
	import flash.display.Sprite;
	import flash.text.TextField;
	
	
	public class Application extends Sprite
	{
		public function Application()
		{
			
			var t:String =  "yi";
			var b:String = " is good";
			var k:String = t+b;
		
			var f:TextField = new TextField();
			this.addChild(f);
			f.text = k;
				
		}

	}
}